bash multiline ech
cat <<EOT >> my_file.txt
my text line 1
my text line 2
EOTbash multiline ech
cat <<EOT >> my_file.txt
my text line 1
my text line 2
EOTbash multiline string variable
IFS='' read -r -d '' String <<"EOF"
<?xml version="1.0" encoding='UTF-8'?>
<painting>
<img src="madonna.jpg" alt='Foligno Madonna, by Raphael'/>
<caption>This is Raphael's "Foligno" Madonna, painted in
<date>1511</date>-<date>1512</date>.</caption>
</painting>
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